Dust-guard.



L. Y. WILLIAMS.

DUST GUARD APPLICATION FILED 00T. 9, 1913.

Patented Nov. 3, 1914.

F E 1N n N# a PJM @51. .Qf v @libwww/13 THE NORRIS PETERS C0.. PHCTU-LITHQ., WSHINCYDN. DV CA LA GEY Y. WILLIAMS, orr Tonen-domo.

DUST-(milinn.v j

Specification of Letters Patent.

Application inea october 9,1913.k serial Nar/sigaar T0 all whom t may concern Be it known that I, kLACEY Y. WILLIAMS, a citizen of the United States, residing at Toledo, in the county of Lucas and State of Ohio, haveinvented certain new and useful Improvements in Dust-Guards, yof which the following is a specification.

'Ihe object of my invention is the lprovision of a dust guard forexcluding dust and preventing the escape of oil and waste from a car journal box, the guard to be housed in the chamber at the back end of the'box and provided with a small helical spring or springs located within'a hole or holes in a movable part or parts ofthe `guard Where the same will be protected and not be liable to become broken or inoperative, the vspring or springs thus being eiective at all times in holding the guard in close frictional contact with the bearing.

LThe invention consists in certain novelties of construction and combinations of parts as herein set forth and claimed. i

. The accompanying drawing illustrates one main example and one modification of the embodiment of the invention constructed according to the best modes of procedure I have so far devised for the purpose.

Figure l is a longitudinal vertical section -of a journal box and of my improved dust guard in the chamber engaging a journal which is shown in elevation. Fig. 2 is a plan view in elevation of the guard applied to a journal, the latter being in section. Fig. 3 is a top plan view of the guard. Fig. fl shows partly in vertical section and vpartly in elevation a modified embodiment of the invention.

Referring to Fig. l, the letter A designates a well known type of journal box having a chamber B with my improved dust guard located therein and surrounding and movable parts thereof pressed against the bearing C of the journal D by springs E, E,

. prises four main parts, to-wit: two side pieces F, F, having grooves G, G; and two of relatively high capacity.

The guard shown by Figs. 1, 2 and 3, come movable end pieces I-I, I-I, each having tongues I, I, fitting the grooves Gr, G, a curved edge J to lit the journal and a peculiarly shaped hole K Within which is located a strong helical spring E relativelyof high capacity. The hole for the spring is made by boring two holes in the body of an end n piece at angles to each other till they meet the end piece.`

and then enlarging the holes adjacent to the Patented Nov.3,1914.

edges.v of the end 4piece so they will be offan ellipticalshape in cross section and soa bearing M willL be formed for the central part of the .spring to bear vagainst,-lthe par-ts .of the spring each side of the lbearing being substantially under normal conditions out vof-Vfrictional contact with The tongues I, I, ofthe end pieces arefcut away atN and small` recesses O made inthe side pieces toreceive'the hooked or coiled ends ofthe springs wherev they are `fastened ory anchored by nails or k'pins "P `passing Athe "material of through the `body of the side pieces andthe hooked or coiled ends of the springs.'

The springs are illustrated as under ten-v lsion and forcing each end piece into rm and close contact with the dust guard -bearing of the axle back of the journal. As the curved edges ofthe end pieces wear away said end' pieces approach each otherk and they can wear for a long period of time until f they travel the distance indicated by the open spaces Q, Q, at the sides of the journal. n y

The modified forin of construction differs from the first example only in making the j side pieces and one end piece H integral or rigidly united., The movable end piece I-I is like the endv ieee in the main example and kthe curved ec ges J are forced against the i bearing through thel contractile action of the single helical spring E, as willbe readily understood by those skilled in the art.

It will be observedthat the springs arev located where theyv will not be broken or ybe rendered inoperative by dirt, and thattheir entire energy is available in forcing the edges of the end pieces against kthe bearing.

What I claim is: .j l. A' dust guardjhaving side pieces, and end pieces yeach with a curved :edge to 'fit a .circular bearing; one endpiece'rhaving a hole-y through the body thereof extending from side to side and a helical spring located within said hole and the opposite ends thereof anchored to opposite side piecesgthe i saidend piece-being movable relative'to the side pieces and guided by tongues and pieces and the end piece.

2. A dust guard having side pieces, and end pieces each with a curved edge to-fltpa circular bearing; one end piece having a iio lIoletlii-ough the body thereof vfrom side to i side, the parts of the holeeach side of the iy grooves formed at the edges of the side f f l center being angularly disposed to each other so as to provide a bearing at'M7 and the opposite ends of the spring anchored to opposite side pieces, means being provided for guiding the said end piece in its yInovements.

3. A dust guard having side pieces, and

end pieces each with a curved edge to lit a circular bearing; one end piece having a hole through the body thereof from side to side7 the parts of the hole .each side of lthe center being angularly disposed to-each other and the openings at the sides of the end piece enlarged and a helical spring located Within said hole with the lopposite ends thereof anchored to opposite side pieces.

l. A dust guard having side pieces, and end pieces, one end piece being `niovable and havinga hole through the body from side toside7 a helical spring Within the hole and its ends anchored to opposite side pieces, the hole being -enlarged atits open ends; the movable end and the side pieces being vinterlocle'd by tongues and grooves and the Copies of this patent may be `obtained for tongues cut away at N to receive the ends of the spring.

A dust guard having separate side pieces, and end pieces each with a curved edge to fit a circular bearing; each end piece having a hole through the body thereof from side to side, and a separate helical spring located in each hole and the ends thereof anchored to opposite side pieces, both of the end pieces being movable relative to the side pieces.

6. A dust guard comprised of two-side pieces and two perforated end pieces loosely united bytongues and grooves, and two helical springs located Within the perfor-ations of the end pieces and the ends of the springs anchored to the side pieces.

ln testimony whereof I aiiix niy signature in presence'of two Witnesses.

LACEY Y. `WILLIAMS.l

lVitnesses ANNETTA B. WYLIE, l JNO. S.' ALLAM.

ve cents each, by .addressing the Commissioner of Patents 'Washingtoin D. CQ 

